Main parts and their functions :
- Hypothalamus : Links the nervous system to the endocrine system via the pituitary gland. It controls the release of 8 hormones by the pituitary gland, controls body temperature, control of food and water intake, hunger and thirst!
- Pituitary gland : Produces essential hormones for everything living such as the growth hormone, adrenocorticotropic hormone, thyroid stimulating hormone, luteinizing hormone and follicle stimulating hormone, etc.
- Thyroid gland : Produces thyroid hormones that regulate the body metabolism, play an important role in bone growth and development of the brain and nervous system in children!
- Parathyroid glands : Release parathyroid hormone which plays a role in regulating calcium levels in the blood and bone metabolism.
- Adrenal glande : Produce hormones that help the body control blood sugar, burn protein and fat, react to stressors, and regular blood pressure.
- Pineal body/gland : Secretes the melatonin hormone which may help regulate the wake-sleep cycle of the body.
- Reproductive glands : Main source of sex hormones for males and females.
- Pancreas : Has digestive and hormonal functions. One part of the pancreas called the exocrine, secures digestive enzymes. While the other part of the pancreas called the endocrine, secretes hormones called insulin and glucagon. Overall, these hormones regulate the level of glucose in the blood.
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Answer:
About Eight million, seven hundred thousand!
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Coordinates muscles controlling breathing ..
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Answer:
a) R= allele for red colored flower
I= Allele for ivory flowers
b) Genotype of pink flowered plant: RI
c) Incomplete dominance
d) 100%
Explanation:
When the dominant allele is not able to fully mask the expression of the recessive allele in the heterozygous state, it is said to be incomplete dominance. The R and I alleles impart red and ivory color respectively to the flowers of the snapdragon plant. The heterozygous genotype "RI" imparts a pink color to the flowers and therefore, the alleles are said to exhibit incomplete dominance.
The genotype of red-flowered snapdragon plant = RR. The genotype of ivory flowered snapdragon plant= II. When a red-flowered snapdragon plant is crossed with an ivory flowered snapdragon plant, the progeny is heterozygous in nature with the "RI" genotype. The phenotype of the progeny is "Pink flower" since the R allele is incompletely dominant over the allele I.
2. Increases
but you might have to double check this
